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https://issues.apache.org/jira/browse/APEXCORE-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263595#comment-15263595
]
ASF GitHub Bot commented on APEXCORE-107:
-----------------------------------------
Github user tweise commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/313#discussion_r61536916
--- Diff: api/src/main/java/com/datatorrent/api/DagNode.java ---
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package com.datatorrent.api;
+
+/** Marker interface for a node in logical DAG */
+public interface DagNode
--- End diff --
How about naming it Vertex? Other suggestions?
> Support adding module to application using property file API.
> -------------------------------------------------------------
>
> Key: APEXCORE-107
> URL: https://issues.apache.org/jira/browse/APEXCORE-107
> Project: Apache Apex Core
> Issue Type: Task
> Reporter: Tushar Gosavi
> Assignee: Tushar Gosavi
>
> Add support for adding modules in the DAG specified through property file and
> json file. The sample json format is specified below.
> {code}
> {
> "operators": [
> {
> "name": "operator1",
> "class": "com.datatorrent.lib.operator.Input",
> "properties": {
> "property1": "value1"
> }
> },
> {
> "name": "module1",
> "class": "com.datatorrent.module.Module1",
> "properties": {
> "property1": "value1"
> }
> },
> ],
> "streams": [
> {
> "name": "s1",
> "source": {
> "operatorName": "operator1",
> "portName": "output"
> },
> "sinks": [
> {
> "operatorName": "module",
> "portName": "input"
> }
> ]
> }
> ]
> }
> {code}
> For this to work, we will need to support adding module in DAG through
> property file API.
> This will allow external tools to visually construct the DAG containing
> modules.
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